Editing Williamson County, Illinois (section)

==Geography==
[[File:Townships.Williamson.Co.map.jpg|thumb|right|325px|Map of Williamson County, Illinois]]

According to the [[U.S. Census Bureau]], the county has a total area of {{convert|444|sqmi}}, of which {{convert|420|sqmi}} is land and {{convert|24|sqmi}} (5.4%) is water.<ref name="census-density"/>

===Adjacent counties===
* [[Franklin County, Illinois|Franklin County]] (north)
* [[Saline County, Illinois|Saline County]] (east)
* [[Pope County, Illinois|Pope County]] (southeast)
* [[Johnson County, Illinois|Johnson County]] (south)
* [[Union County, Illinois|Union County]] (southwest)
* [[Jackson County, Illinois|Jackson County]] (west)

===National protected area===
* [[Crab Orchard National Wildlife Refuge]] (part)

===Major highways===
{{div col}}
* [[File:I-24.svg|20px]] [[Interstate 24]]
* [[File:I-57.svg|20px]] [[Interstate 57]]
* [[File:US 45.svg|20px]] [[U.S. Highway 45]]
* [[File:Illinois 13.svg|20px]] [[Illinois Route 13]]
* [[File:Illinois 37.svg|20px]] [[Illinois Route 37]]
* [[File:Illinois 148.svg|20px]] [[Illinois Route 148]]
* [[File:Illinois 149.svg|20px]] [[Illinois Route 149]]
* [[File:Illinois 166.svg|20px]] [[Illinois Route 166]]
{{div col end}}

===Transit===
* [[Rides Mass Transit District]]
* [[South Central Transit]]
* [[Greyhound Lines]]
* [[List of intercity bus stops in Illinois]]

===Airport===
[[Veterans Airport of Southern Illinois]] in Marion is the local airport.